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单词 acinaciform
释义

acinaciformadj.

Brit. /ˌasᵻˈnasᵻfɔːm/, U.S. /ˌæsəˈnæsəfɔrm/
Origin: A borrowing from Latin. Etymon: Latin acinaciformis.
Etymology: < scientific Latin acinaciformis ( Linnaeus Philosophia botanica (1751) iii. 46) < classical Latin acīnacēs kind of Persian sword (acinaces n.) + -formis -form comb. form2; compare -iform comb. form.Classical Latin acīnacēs, which originally denoted a straight-bladed weapon, was apparently misunderstood by Linnaeus to denote one of the curved swords used in the Middle East at his time.
Chiefly Botany.
Curved like a scimitar; (of a leaf) curved and rounded towards the point.
ΚΠ
1760 J. Lee tr. C. Linnaeus in Introd. Bot. 224 Acinaciform, Faulchion-shaped, when the Fruit is compressed like a Blade.
1775 Philos. Trans. (Royal Soc.) 65 104 The body..becomes of an acinaciform shape, to the point of the tail, which is rather blunt.
1826 Mem. Wernerian Nat. Hist. Soc. 5 ii. 514 The adipose fin is acinaciform, or somewhat falcate in shape, with a broad attachment opposite the anal fin.
1838 J. C. Loudon Encycl. Plants (1855) 617 Dolichos tetraspermus..pods racemose acinaciform 4-seeded.
1930 L. H. Bailey & E. Z. Bailey Hortus 123/2 Lvs. scimitar-shaped (incurved, acinaciform).
1990 Copeia 158/2 Brachiostegal rays all acinaciform.
2005 U.S. Patent 6,995,110 8 The convex leading edge of each acinaciform blade is provided with a razor-sharp edge..for cutting.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021).
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adj.1760
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更新时间:2024/12/22 15:56:08